Variable: erc-nick-uniquifier
erc-nick-uniquifier is a customizable variable defined in erc.el.gz.
Value
"`"
Documentation
The string to append to the nick if it is already in use.
Source Code
;; Defined in /usr/src/emacs/lisp/erc/erc.el.gz
(defcustom erc-nick-uniquifier "`"
"The string to append to the nick if it is already in use."
:group 'erc
:type 'string)